697869968796 has 288 divisors, whose sum is σ = 2432547307008. Its totient is φ = 162798958080.

The previous prime is 697869968773. The next prime is 697869968797.

It is a happy number.

697869968796 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697869968797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1071631 + ... + 1595033.

It is an arithmetic number, because the mean of its divisors is an integer number (8446344816).

Almost surely, 2^697869968796 is an apocalyptic number.

697869968796 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697869968796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216273653504).

697869968796 is an abundant number, since it is smaller than the sum of its proper divisors (1734677338212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697869968796 is a wasteful number, since it uses less digits than its factorization.

697869968796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523481 (or 523476 counting only the distinct ones).

The product of its digits is 26665583616, while the sum is 90.

The spelling of 697869968796 in words is "six hundred ninety-seven billion, eight hundred sixty-nine million, nine hundred sixty-eight thousand, seven hundred ninety-six".